Professional Picture Framers Association
International trade association for the art and framing industry.
www.ppfa.com

Art Facts
FACTS develops information and standards that deal with art from conception to conservation.
www.artfacts.org

American Society of Appraisers
International society of professional appraisers.
www.appraisers.org

The American Institute for Conservation of Historic & Artistic Works
National membership organization of conservation professionals.
http://aic.stanford.edu